7e-7=-4.2

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Solution for 7e-7=-4.2 equation: 


Simplifying
7e + -7 = -4.2

Reorder the terms:
-7 + 7e = -4.2

Solving
-7 + 7e = -4.2

Solving for variable 'e'.

Move all terms containing e to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 7e = -4.2 + 7

Combine like terms: -7 + 7 = 0
0 + 7e = -4.2 + 7
7e = -4.2 + 7

Combine like terms: -4.2 + 7 = 2.8
7e = 2.8

Divide each side by '7'.
e = 0.4

Simplifying
e = 0.4

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